vendredi 26 mai 2017

Around one fifth of arable land in China is contaminated with levels of toxins greater than government standards, according to 2014 data. That's around half the size of California, and it's a growing problem for a country that faces such levels of pollution they had to import $31.2 billion of soybeans in 2015 - a 43 percent increase since 2008. Scientists and entrepreneurs are working to come up with answers to growing edible food in a polluted environment, and shipping containers or vertical gardening...